Mathematics, 30.01.2020 22:57 myronpacis1128

Mary did the following problem

57-6^2+(10+2)
57 - 6^2 +12
57-36+12
57-48
9
which of the following statements are true?

it is wrong because 6 2 is 12.
it is correct.
it is wrong because the subtraction should have been done before the addition.
it is wrong because 57 - 48 is 11

Answers: 3

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Mary did the following problem

57-6^2+(10+2)
57 - 6^2 +12
57-36+12
57...

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